Tiffany & Co Impeta ya spinel impeta muri platine
Spinel yijimye ikunze kwibeshya kubutunzi bwubururu bwijimye, itandukaniro rinini hagati yibi ni amabara menshi.Safiro yijimye (corundum) ni dicroic, hamwe na spekitroscope ivuye mumyanya itandukanye ya mabuye y'agaciro izerekana igicucu gitandukanye cyijimye, kandi spinel ntabwo, nubwo icyerekezo cyerekezo kidahinduka.
ibara ry'umuyugubwe
Safiro yumutuku irashobora kwerekana buri gihe ibara ryijimye ryijimye, ritangaje, ryiza kandi ryiza, ariko kandi nibintu byiza byabagore.Ikorerwa cyane muri Sri Lanka, ariko ku rugero ruto muri Tayilande na Miyanimari.Vanadium - na chromium irimo variant ya safiro ifite ibara ry'umuyugubwe mwiza, umutuku-umutuku, cyangwa ibara rya violet, bita safi.
Igihe cyo kohereza: Ugushyingo-15-2023